Base | Representation |
---|---|
bin | 101101011010… |
… | …0010110010100 |
3 | 1122210112120211 |
4 | 1122310112110 |
5 | 22043314010 |
6 | 2210135204 |
7 | 406234162 |
oct | 132642624 |
9 | 48715524 |
10 | 23807380 |
11 | 12490923 |
12 | 7b81504 |
13 | 4c1740c |
14 | 323a232 |
15 | 215408a |
hex | 16b4594 |
23807380 has 96 divisors (see below), whose sum is σ = 56770560. Its totient is φ = 8346240.
The previous prime is 23807351. The next prime is 23807383. The reversal of 23807380 is 8370832.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23807383) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 506517 + ... + 506563.
It is an arithmetic number, because the mean of its divisors is an integer number (591360).
Almost surely, 223807380 is an apocalyptic number.
23807380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23807380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28385280).
23807380 is an abundant number, since it is smaller than the sum of its proper divisors (32963180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23807380 is a wasteful number, since it uses less digits than its factorization.
23807380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149 (or 147 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 31.
The square root of 23807380 is about 4879.2806846911. The cubic root of 23807380 is about 287.6761566937.
The spelling of 23807380 in words is "twenty-three million, eight hundred seven thousand, three hundred eighty".
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